Base | Representation |
---|---|
bin | 10100111111010111000… |
… | …001000001010010011100 |
3 | 12002220010211100212012001 |
4 | 110333113001001102130 |
5 | 142113034340204040 |
6 | 3022350024452044 |
7 | 206132355500020 |
oct | 24772701012234 |
9 | 5086124325161 |
10 | 1442421413020 |
11 | 506800313815 |
12 | 1b367401a024 |
13 | a60345316b3 |
14 | 4db5660c380 |
15 | 277c24ec59a |
hex | 14fd704149c |
1442421413020 has 24 divisors (see below), whose sum is σ = 3461811391584. Its totient is φ = 494544484416.
The previous prime is 1442421412973. The next prime is 1442421413077. The reversal of 1442421413020 is 203141242441.
It is a super-2 number, since 2×14424214130202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 1442421413020.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5151504907 + ... + 5151505186.
It is an arithmetic number, because the mean of its divisors is an integer number (144242141316).
Almost surely, 21442421413020 is an apocalyptic number.
1442421413020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1442421413020 is an abundant number, since it is smaller than the sum of its proper divisors (2019389978564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442421413020 is a wasteful number, since it uses less digits than its factorization.
1442421413020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10303010109 (or 10303010107 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 1442421413020 its reverse (203141242441), we get a palindrome (1645562655461).
The spelling of 1442421413020 in words is "one trillion, four hundred forty-two billion, four hundred twenty-one million, four hundred thirteen thousand, twenty".
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